E05D 13/1292
Spring safety devices
Official title: {Spring safety devices}
E05D13/1292 (Spring safety devices) appears on 6 US grants and 6 published applications in this corpus.
Search patents in E05D- Granted patents
- 6
- Published applications
- 6
- Assignees
- 7
- Inventors
- 11
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Adjustable retraction mechanism4 Aug 2026US 12,698,665 B2Elvo Ltd
- Window balance assembly with improved brake arrangement11 Nov 2025US 12,467,297 B1Vision Industries Group, Inc.
- Constant force window balance engagement system18 Feb 2020US 10,563,441 B2Amesbury Group, Inc.
- Counterbalance system for tilt-in window having a shielded brake shoe structure17 Sep 2019US 10,415,287 B1John Evans' Sons, Inc.
- Window balance assembly including sash support bracket19 Feb 2019US 10,208,517 B2Caldwell Manufacturing Company North America, LLC
- Window Balance Assembly With Improved Brake Arrangement16 Apr 2026US 2026/0103928 A1Vision Industries Group, Inc.
- Adjustable retraction mechanism24 Jul 2025US 2025/0237101 A1Elvo Ltd
- Window balance assembly including sash support bracket12 Oct 2017US 2017/0292303 A1Caldwell Manufacturing Company North America, LLC
- Constant force window balance engagement system25 May 2017US 2017/0145722 A1Amesbury Group, Inc.
- Opening/closing device12 Nov 2015US 2015/0322703 A1Bunka Shutter Co., Ltd.
Most cited
By later US patents
- Window balance assembly including sash support bracket19US 10,208,517 B2Caldwell Manufacturing Company North America, LLC · 2019
- Counterbalance system for tilt-in window having a shielded brake shoe structure11US 10,415,287 B1John Evans' Sons, Inc. · 2019
- Constant force window balance engagement system10US 10,563,441 B2Amesbury Group, Inc. · 2020
- Opening/closing device2US 9,810,011 B2Bunka Shutter Co., Ltd. · 2017
- Window balance assembly with improved brake arrangement1US 12,467,297 B1Vision Industries Group, Inc. · 2025